package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnum;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * null.java 集中处理所以异常
 *
 * @author 33577
 * @create 2024-02-03 1:41
 */
@Slf4j
//@ControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
//@RestController
@RestControllerAdvice
public class GulimallExceptionControllerAdvice {
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidationException(MethodArgumentNotValidException e) {
        log.error("数据校验处理问题{},异常类型{}", e.getMessage(), e.getClass());
        BindingResult bindingResult = e.getBindingResult();
        Map<String, String> map = new HashMap<>();
        bindingResult.getFieldErrors().forEach((item) -> {
            map.put(item.getField(), item.getDefaultMessage());
        });
        return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(), BizCodeEnum.VALID_EXCEPTION.getMessage()).put("data", map);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable e) {
        return R.error(BizCodeEnum.UNKNOWN_EXCEPTION.getCode(), BizCodeEnum.UNKNOWN_EXCEPTION.getMessage());
    }
}
